(VNET) jails not going away

[Julian Elischer]

On 23/02/2016 3:42 AM, Bjoern A. Zeeb wrote:
> Hi,
>
> sorry for the cross-post, Reply-To: set.
>
>
>> On 22 Feb 2016, at 13:41 , Bjoern A. Zeeb <bzeeb-lists at lists.zabbadoz.net> wrote:
>>
>> Hi,
>>
>> has anyone else experienced VNET jails to not fully go away anymore on a recent HEAD kernel (or possibly an older kernel)?
>>
>> I have test cases with which I can have them in DYING state (see jls -av) for ever or at least more than half a day.   I am in the process of trying to find the cause but would be good to know if anyone else is experiencing this?
> Ok, I found more funny behaviour that I can get rid of the previous jail by cleaning up the next one.
>
> root at rabbit4:/home/test # jail -i -c -n test19 host.hostname=foo vnet persist
> 19
> root at rabbit4:/home/test # jexec 19 /bin/csh
> root at foo:/ # ifconfig lo0 inet 127.19/8
> root at foo:/ # exit
> root at rabbit4:/home/test # jail -r 19
>
> Jail 19 is in DYING and hangs there forever;  If I repeat this upon exit from jail 20, jail 19 will go away.
>
> If I’ll just do this
>
> root at rabbit4:/home/test # jail -i -c -n test20 host.hostname=foo vnet persist
> 21
> root at rabbit4:/home/test # jail -r 21
>
> 20 and 21 are going.
>
>
> I’ll keep tracing this but if it ring a bell for anyone please let me know ;-)

definitely no bell.
>
>
>
>> Thanks,
>> Bjoern
>>
>> Example (after more than 12 hours of jail -r ..):
>>
>> # jls -av
>>    JID  Hostname                      Path
>>         Name                          State
>>         CPUSetID
>>         IP Address(es)
>>      1  left.example.net              /
>>         lef827                        DYING
>>         18
>>      2  center.example.net            /
>>         mid827                        DYING
>>         19
>>      3  right.example.net             /
>>         right827                      DYING
>>         20
>>      6  right.example.net             /
>>         right923                      DYING
>>         23
>
>
> —
> Bjoern A. Zeeb                                  Charles Haddon Spurgeon:
> "Friendship is one of the sweetest joys of life.  Many might have failed
>   beneath the bitterness of their trial  had they not found a friend."
>
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